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Outside diameter (in.): 5.88
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$20 - $30
$30 - $40
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Outside diameter (in.)
0
.3
0.31
1
3
3.4
3.6
4.13
4.25
4.5
5
5.24
5.25
5.62
5.88
6
6.625
6.68
6.75
6.78
6.94
7
7.25
7.38
8
8.5
8.69
8.93
8.9375
8.94
9
9.78
10
10.06
10.5
11
11.24
12
13.88
Pack Size
1
2
5
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Outside diameter (in.)
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Outside diameter (in.): 5.88
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$
36
.
98
Model# TIER1_PAS_1581_2_PACK
Tier1
5.88 in. Dia. Spa Filter Cartridge for Watkins 31489, Hot Spring and Watkin (2-Pack)
Add to Cart
$
98
.
72
Model# TIER1_PAS_1581_5_PACK
Tier1
PAS-1581 5.88 in. Dia. Spa Filter Cartridge for Watkins 31489, Pleatco PWK30, Filbur FC-3915, C-6430 (5-Pack)
Add to Cart
$
23
.
26
Model# TIER1-PAS-1581
Tier1
PAS-1581 5.88 in. Dia. Spa Filter Cartridge for Watkins 31489, Pleatco PWK30, Filbur FC-3915, Unicel C-6330
Add to Cart